Journal of the Korean Geotechnical Society (한국지반공학회논문집)

Korean Geotechnical Society (한국지반공학회)
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Basic Study for a Korean Lunar Simulant (KLS-1) Development

한국형 인공월면토(KLS-1) 개발을 위한 기초 연구

  • Ryu, Byung-Hyun (Korea Institute of Civil Engrg. and Building Technology) ;
  • Baek, Yong (Korea Institute of Civil Engrg. and Building Technology) ;
  • Kim, Young-Seok (Korea Institute of Civil Engrg. and Building Technology) ;
  • Chang, Ilhan (Korea Institute of Civil Engrg. and Building Technology)
  • Received : 2015.06.11
  • Accepted : 2015.06.29
  • Published : 2015.07.31
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Abstract

For the success of future missions to the Moon and other similar cosmic environments, understanding and utilization of the lunar regolith has become essential. However, due to the scarcity and unaffordability of real lunar regolith on Earth, a number of lunar regolith simulants (e.g., JSC-1; NASA) have been developed for experimental purposes. However, Korea does not have its own lunar regolith, even though the country is planning to actively pursue lunar and space missions in the 2020s. Thus, this study has been conducted to develop a Korean lunar simulant prototype via basic feasibility attempts (e.g., raw material selection, particle size and chemical composition simulation). Finally, the first prototype of Korea's own lunar simulant has been obtained, and denominated as KLS-1.

최근 우주개발의 중요성이 다시 부각되면서 주요 우주개발국들은 달 토양과 물리적 화학적 특성이 유사한 인공월면토(lunar simulant)를 개발하여 각종 연구에 활용하고 있다. 달 토양은 지구 토양과 생성 매커니즘과 지반공학적 거동이 다르기 때문에 완벽하게 모사하는 것이 어렵고 제작비용이 많이 소모된다. 기존 인공월면토 중 국제적으로 가장 널리 사용되고 있는 재료는 미국항공우주국(NASA)에서 제작한 JSC-1A이며, 우리나라는 아직 국제적으로 공인된 인공월면토가 없는 실정이다. 따라서 본 연구에서는 국내 지반재료를 이용한 한국형 인공월면토 개발을 위한 기초연구를 수행하여 그 시제품으로 KLS-1(Korea lunar simulant - type 1)을 제시하였다. KLS-1은 기존 국외 인공월면토들과 비교하여 유사성과 경제성이 우수하여 향후 국내 우주개발 사업뿐만 아니라 각종 국제연구에 폭 넓게 활용될 수 있을 것으로 기대된다.

Keywords

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